Color

#81ee81

#81ee81
hex#81ee81
rgbrgb(129, 238, 129)
hslhsl(120, 76%, 72%)
oklchoklch(0.859 0.178 143.8)
Closest name: Herbivore (#88ee77)Relative luminance 0.674

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#ee81ee

#b8ee81 · #81eeb8

#8181ee · #ee8181

Split-complementary

Open in tool →

#b881ee · #ee81b8

#81b8ee · #ee81ee · #eeb881

Contrast

#81ee81 as textRatioAAAA largeAAAFix
Aaon white
1.45:1failfailfail
  • AA: use #128712 as the text (4.67:1)
  • AAA: use #0e670e as the text (7.08:1)
  • AA: or shift the background to #5c5c5c (4.61:1)
  • AAA: or shift the background to #404040 (7.15:1)
Aaon black
14.48:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #81ee81 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#81ee81 reads as vivid, light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #81ee81
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #81ee81 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/81ee81-a2bea5-994edf-1f2d25-edf1e9?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md